FLIGHT TIME / CALCULATED ESTIMATE
Ulaanbaatar (Sergelen) ↗ Johannesburg
UBN / Ulaanbaatar Chinggis Khaan International AirportJNB / O.R. Tambo International Airport
MODELLED FLYING TIME14h 14mIllustrative estimate, not a scheduled flight
GREAT-CIRCLE DISTANCE11,328 kmGeographic straight-line distance
ROUTE CATEGORYInternationalOrigin and destination country records
How long is the flight?
The calculated airborne flight-time estimate between Ulaanbaatar (Sergelen) (UBN) and Johannesburg (JNB) is approximately 14 hours and 14 minutes for a modelled route length of 11,328 km.
This is not a confirmed nonstop service or published airline schedule. Airlines can use different paths, and connection time, taxiing, winds, weather, airspace restrictions and operational delays can change the actual journey.
Reference coordinates
Departure: Ulaanbaatar Chinggis Khaan International Airport. Arrival: O.R. Tambo International Airport. Both airport-code and coordinate records are drawn from the site’s imported aviation dataset, with initial curated data used until refreshed.